#ifndef HTTP_CONNECTION_HPP
#define HTTP_CONNECTION_HPP

#include <boost/asio.hpp>
#include <boost/array.hpp>
#include <boost/noncopyable.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/enable_shared_from_this.hpp>
#include "reply.hpp"
#include "request.hpp"
#include "request_handler.hpp"
#include "request_parser.hpp"

namespace http {
	namespace server {

		class connection_manager;

		/// Represents a single connection from a client.
		class connection
			: public boost::enable_shared_from_this<connection>,
			private boost::noncopyable
		{
		public:
			/// Construct a connection with the given io_context.
			explicit connection(boost::asio::io_context& io_context,
				connection_manager& manager, request_handler& handler);

			/// Get the socket associated with the connection.
			boost::asio::ip::tcp::socket& socket();

			/// Start the first asynchronous operation for the connection.
			void start();

			/// Stop all asynchronous operations associated with the connection.
			void stop();

		private:
			/// Handle completion of a read operation.
			void handle_read(const boost::system::error_code& e,
				std::size_t bytes_transferred);

			/// Handle completion of a write operation.
			void handle_write(const boost::system::error_code& e);

			/// Socket for the connection.
			boost::asio::ip::tcp::socket socket_;

			/// The manager for this connection.
			connection_manager& connection_manager_;

			/// The handler used to process the incoming request.
			request_handler& request_handler_;

			/// Buffer for incoming data.
			boost::array<char, 8192> buffer_;

			/// The incoming request.
			request request_;

			/// The parser for the incoming request.
			request_parser request_parser_;

			/// The reply to be sent back to the client.
			reply reply_;
		};

		typedef boost::shared_ptr<connection> connection_ptr;

	} // namespace server
} // namespace http

#endif // HTTP_CONNECTION_HPP